Running Account Bills and Measurement
You are paid for what is recorded in the measurement book, not for what you built. Those are usually the same thing. When they are not, the record wins.
The measurement book is the payment
Work on a departmental contract is paid through running account bills, and each bill is based on measurements recorded by the department's engineer in the measurement book. What is in the book is what gets paid.
That sounds obvious and it is where a great deal of contractor money quietly disappears. Work done but not measured before it was covered up. Quantities recorded short. Items executed but not entered because nobody asked at the time.
None of that is easy to fix afterwards, because the evidence has been concreted over. The discipline is to be present when measurements are taken and to check the entries.
What contractors lose money on
- Work covered up before measurement. Foundations, buried services, anything that gets hidden. Get it measured before it disappears.
- Not attending measurement. If you are not there, you are accepting whatever is recorded.
- Not checking the entries. Read what was written, not what you think was measured.
- Extra work without written instruction. Executed on a verbal instruction and then not measurable against any item.
- Deductions not queried. Recoveries appear in bills and are easier to question at the time than at the final bill.
Written 5 September 2026. Government requirements and portal behaviour change — message us to confirm before you rely on any date or figure here.
Deductions to expect in every bill
A running account bill is not the gross value of work. Security deposit is deducted, income tax and GST are deducted at source where applicable, and any recoveries the department has raised come off too.
Contractors who budget on gross value and are surprised by the net find their cash flow does not work. Model the deductions before you bid, not after the first bill. See our page on security deposit.
Common questions
Send us your case
Tell us the contract and where the bills have reached. If something has been measured short, say so.
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